Home / 418,845,654.32-577,999,951.20-230,691,469.64

Finding the Fourth Proportional to 418,845,654.32, 577,999,951.20 and 230,691,469.64

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Solution

The fourth proportional to 418,845,654.32, 577,999,951.20 and 230,691,469.64 is: 318,350,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,845,654.32 : 577,999,951.20 = 230,691,469.64 : x
  2. Step 2: Convert to fraction form
    418,845,654.32/577,999,951.20 = 230,691,469.64/x
  3. Step 3: Cross multiply
    418,845,654.32x = 577,999,951.20 × 230,691,469.64
  4. Step 4: Simplify right side
    418,845,654.32x = 133,339,658,191,286,288
  5. Step 5: Solve for x
    x = 133,339,658,191,286,288/418,845,654.32
  6. Step 6: Final answer
    x = 318,350,344.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.